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Check Tray operation.
Check /EJECT KEY
(pin 11 of IC101).
Check the output signal of tray
(pin 49, 50 of IC501).
Check operation S/W of tray
(/OPEN SW:pin 94 of IC401
/LOAD SW : pin 95 of IC401).
Check the LED.
LED102
Q802
LED101
Q801
SW103
DETECTOR
-TRAY
Tray Motor
M
SW102
EJECT
-SW
Check operating signal of tray
Check operating signal of LED (pin
LED1
96
LED2
98
/OPEN_SW
2
94
/LOAD_SW
1
95
DRV-MUTE2
TRAY -
49
TRAY +
50
(pin 26 of IC501).
96, 98 of IC401).
IC 401
MT1516
RF Amp
122
General port use
123
124
102
101
DRV-MUTE1
23
22
CTL1
CTL2
26
LDIN
BD7907FS
6Ch Servo DRIVE
IC 501
27
VC
/EJECT_KEY
Check the control singal of Drive IC
•
(pin 22, 23 of IC501).
Check the power of DRIVE IC and
•
VC.
Check SCLK, SDATA, XLAT (pin
122, 123, 124 of IC401).
SCLK
65
SDATA
63
XLA T
62
IC 101
MT1518
MT1508
DSP
Decoder
Encoder
PWMOUT
24
Micro
Processor
1.4 V
11
I / F
55
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